Description

3-Methyl-2-[(1E,3Z)-1,3-Pentadienyl]-2-Cyclopenten-1-One is a specialized organic compound belonging to the class of cyclopentenone derivatives, valued for its unique conjugated dienone structure. This compound is a key intermediate and building block in advanced organic synthesis, particularly for creating complex molecular architectures. It is essential for R&D and production in the fragrance, flavor, and pharmaceutical industries, where its specific stereochemistry and functional groups are leveraged to develop novel active ingredients and aroma chemicals.

Application

• Fragrance & Flavor Intermediate: Serves as a crucial precursor for synthesizing complex musk, woody, and amber odorants in high-value perfumery.
• Pharmaceutical Research: Used as a sophisticated building block in the synthesis of potential drug candidates and bioactive natural product analogs.
• Organic Synthesis: Acts as a key dienophile or diene in Diels-Alder and other cycloaddition reactions to construct complex polycyclic frameworks.
• Agrochemical Development: Employed in research for creating novel active ingredients with specific stereochemical requirements.
• Material Science Research: Investigated as a monomer or cross-linking agent for developing specialized polymers with unique optical or electronic properties.

Basic Information

Item	Details
Product Name	3-Methyl-2-[(1E,3Z)-1,3-Pentadienyl]-2-Cyclopenten-1-One
CAS No.	22610-80-6
Molecular Formula	C11H14O
Molecular Weight	162.23 g/mol
Synonyms	3-Methyl-2-[(1E,3Z)-1,3-pentadien-1-yl]-2-cyclopenten-1-one; 2-Cyclopenten-1-one, 3-methyl-2-[(1E,3Z)-1,3-pentadienyl]-; (1E,3Z)-1-(3-Methyl-2-oxo-1-cyclopenten-1-yl)-1,3-pentadiene; 3-Methyl-2-(1,3-pentadienyl)-2-cyclopenten-1-one (mixed isomers); A key jasmonate-related intermediate.
EINECS	Contact for details

Quality Control

Every batch of 3-Methyl-2-[(1E,3Z)-1,3-Pentadienyl]-2-Cyclopenten-1-One is produced and tested under strict quality management protocols to ensure identity, purity, and consistency. Our products undergo rigorous quality testing, including chromatographic purity analysis and spectroscopic identification, to ensure compliance with industry standards. Certificates of Analysis (COA) with detailed batch-specific data are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Due to its sensitivity to oxidation, it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 95.0% (Isomeric mixture)
Isomeric Ratio (E/Z)	Specified per batch on COA
Water Content (KF)	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.